<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>session内置对象计数器--sessionCount.jsp</title>
    <style type="text/css">
        h1{color: red; text-align: center; size: 7px}
        p{color: green; text-align: center; size: 5px}
    </style>
</head>
<body>
<%!int Num = 0; %>
<%
    if(session.isNew()) {
        Num += 1;
        session.setAttribute("Num",Num);
    }
%>
<h1>session计数器</h1>
<br>
<p>
    您是第
    <%=session.getAttribute("Num") %>
    个访问本网站的用户
</p>
</body>
</html>
